PDF malware analysis — malicious · 1f48d9c7853679c4

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 1c962313a09d8a8765ed9728859b10a1 SHA-1: a989626841cc5fb1506230ff11202ee345775543 SHA-256: 1f48d9c7853679c474cf2c70555e2ab387db508399c9c5cab9ba7010719233b6

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

This PDF document contains an embedded file and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. The exploit targets a known vulnerability in older versions of Adobe Reader, indicating an attempt to gain initial code execution. No specific malware family could be identified, but the exploit suggests a downloader or dropper functionality.

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `da2e68de9c594e4e4da797a0de3070e875d6c58eb2e3f02bfe755a4f0128517b`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9756 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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